Device holster



FIG. 1 is a front perspective view of a device holster;

FIG. 2 is a rear perspective view of the device holster;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a right elevational view thereof;

FIG. 6 is a left elevational view thereof;

FIG. 7 is a top plan view thereof; and,

FIG. 8 is a bottom plan view thereof. 

We claim the ornamental design for a device holster, as shown and described. 